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(svn r16603) -Codechange: enumify map size limits (based on a patch by Bilbo)

This commit is contained in:
smatz 2009-06-20 11:25:39 +00:00
parent 88ec646c1f
commit 4419366f94
4 changed files with 14 additions and 5 deletions
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6
src/map.cpp
View File

@ -34,9 +34,9 @@ TileExtended *_me = NULL; ///< Extended Tiles of the map
void AllocateMap(uint size_x, uint size_y)
{
/* Make sure that the map size is within the limits and that
* the x axis size is a power of 2. */
if (size_x < 64 || size_x > 2048 ||
size_y < 64 || size_y > 2048 ||
* size of both axes is a power of 2. */
if (!IsInsideMM(size_x, MIN_MAP_SIZE, MAX_MAP_SIZE + 1) ||
!IsInsideMM(size_y, MIN_MAP_SIZE, MAX_MAP_SIZE + 1) ||
(size_x & (size_x - 1)) != 0 ||
(size_y & (size_y - 1)) != 0)
error("Invalid map size");

8
src/map_type.h
View File

@ -50,6 +50,14 @@ struct TileIndexDiffC {
int16 y; ///< The y value of the coordinate
};
/** Minimal and maximal map width and height */
enum {
MIN_MAP_SIZE_BITS = 6, ///< Minimal size of map is equal to 2 ^ MIN_MAP_SIZE_BITS
MAX_MAP_SIZE_BITS = 11, ///< Maximal size of map is equal to 2 ^ MAX_MAP_SIZE_BITS
MIN_MAP_SIZE = 1 << MIN_MAP_SIZE_BITS, ///< Minimal map size = 64
MAX_MAP_SIZE = 1 << MAX_MAP_SIZE_BITS, ///< Maximal map size = 2048
};
/**
* Approximation of the length of a straight track, relative to a diagonal
* track (ie the size of a tile side).

1
src/settings.cpp
View File

@ -51,6 +51,7 @@
#include "gfxinit.h"
#include "gamelog.h"
#include "station_func.h"
#include "map_type.h"
#include "settings_func.h"
#include "ini_type.h"
#include "ai/ai.hpp"

4
src/table/settings.h
View File

@ -500,8 +500,8 @@ const SettingDesc _settings[] = {
SDT_VAR(GameSettings, game_creation.heightmap_rotation, SLE_UINT8, S,MS, 0, 0, 1, 0, STR_CONFIG_SETTING_HEIGHTMAP_ROTATION, NULL),
SDT_VAR(GameSettings, game_creation.se_flat_world_height, SLE_UINT8, S, 0, 1, 0, 15, 0, STR_CONFIG_SETTING_SE_FLAT_WORLD_HEIGHT, NULL),
SDT_VAR(GameSettings, game_creation.map_x, SLE_UINT8, S, 0, 8, 6, 11, 0, STR_CONFIG_SETTING_MAP_X, NULL),
SDT_VAR(GameSettings, game_creation.map_y, SLE_UINT8, S, 0, 8, 6, 11, 0, STR_CONFIG_SETTING_MAP_Y, NULL),
SDT_VAR(GameSettings, game_creation.map_x, SLE_UINT8, S, 0, 8, MIN_MAP_SIZE_BITS, MAX_MAP_SIZE_BITS, 0, STR_CONFIG_SETTING_MAP_X, NULL),
SDT_VAR(GameSettings, game_creation.map_y, SLE_UINT8, S, 0, 8, MIN_MAP_SIZE_BITS, MAX_MAP_SIZE_BITS, 0, STR_CONFIG_SETTING_MAP_Y, NULL),
SDT_CONDBOOL(GameSettings, construction.freeform_edges, 111, SL_MAX_VERSION, 0, 0, true, STR_CONFIG_SETTING_ENABLE_FREEFORM_EDGES, CheckFreeformEdges),
SDT_CONDVAR(GameSettings, game_creation.water_borders, SLE_UINT8,111, SL_MAX_VERSION, 0, 0, 15, 0, 16, 0, STR_NULL, NULL),
SDT_CONDVAR(GameSettings, game_creation.custom_town_number, SLE_UINT16,115, SL_MAX_VERSION, 0, 0, 1, 1, 5000, 0, STR_NULL, NULL),